Display screen or portion thereof with a context-adaptive graphical user interface



FIG. 1 is a front view of a first image of the display screen or portion thereof with a context adaptive graphical user interface showing my new design.

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof; and,

FIG. 4 is a front view of a fourth image thereof.

The broken line showings of the display screen, electronic device, and other features, are for environmental purposes and form no part of the claimed design.

The subject matter in this patent includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design. 

CLAIM The ornamental design of a display screen or portion thereof with a context adaptive graphical user interface, as shown and described. 